America's leading truck for 32 years swapped out steel in its frame for an aluminum alloy that performs even better and cuts 700 pounds from the vehicle's weight. Courtesy Ford
The Ford F-150 has been America’s best-selling vehicle for 32 years. So when the company swapped steel for military-grade aluminum in several non-load-bearing parts—a first for any pickup truck—drivers were concerned. They needn’t have been. The alloy performs just as well as steel, and in some cases better.